package lab02.test27;

import java.util.InputMismatchException;
import java.util.Scanner;
/**
 * Created by dell on 2017/11/2.
 */
public class Test {
    public static void main(String[] args) {
        int a = 0;
        while (true) {
            Scanner scanner = new Scanner(System.in);
            System.out.println("please input an int:");
            try {
                a = scanner.nextInt();
            }
            //alt+enter
            catch (InputMismatchException e) {
                System.out.println("类型不匹配！！！");
            }
            System.out.println("a=" + a);
        }
    }
}
